/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2014  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.26 - Graphical user interface for embedded applications **
emWin is protected by international copyright laws.   Knowledge of the
source code may not be used to write a similar product.  This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : 2DGL_DrawPolygon.c
Purpose     : Example for drawing polygons
Requirements: WindowManager - ( )
              MemoryDevices - ( )
              AntiAliasing  - ( )
              VNC-Server    - ( )
              PNG-Library   - ( )
              TrueTypeFonts - ( )
----------------------------------------------------------------------
*/

#include "GUI.h"

/*******************************************************************
*
*       Static variables
*
********************************************************************
*/
static const GUI_POINT _aPointArrow[] = {
  {  0,   0 },
  {-40, -30 },
  {-10, -20 },
  {-10, -70 },
  { 10, -70 },
  { 10, -20 },
  { 40, -30 },
};

static const GUI_POINT _aPointStar[] = {
  {  0, -36 },
  {  8,  -8 },
  { 36,   0 },
  {  8,   8 },
  {  0,  36 },
  { -8,   8 },
  {-36,   0 },
  { -8,  -8 }
};

static const GUI_POINT _aPointHexagon[] = {
  {  0, -30 },
  { 26, -15 },
  { 26,  15 },
  {  0,  30 },
  {-26,  15 },
  {-26, -15 },
};

/*******************************************************************
*
*       Static code
*
********************************************************************
*/
/*******************************************************************
*
*       _DrawPolygons
*
* Function description
*   Draws polygons of different shapes and colors
*/
static void _DrawPolygons(void) {
  int y;

  y = 90;
  //
  // clear display
  //
  GUI_SetBkColor(GUI_BLACK);
  GUI_Clear();
  //
  // display text
  //
  GUI_SetColor(GUI_WHITE);
  GUI_SetFont(&GUI_Font24_ASCII);
  GUI_SetTextAlign(GUI_TA_HCENTER);
  GUI_DispStringAt("DrawPolygon - Sample", 160, 5);
  GUI_SetFont(&GUI_Font8x16);
  GUI_DispStringAt("using", 5, 40);
  GUI_DispStringAt("GUI_FillPolygon", 5, 55);
  GUI_SetTextAlign(GUI_TA_HCENTER);
  GUI_DispStringAt("Polygons of arbitrary shape\nin any color", 160, y + 90);
  GUI_Delay(500);
  //
  // draw filled polygons
  //
  while (1) {
    GUI_ClearRect(100, y, 220, y + 85);
    GUI_SetColor(GUI_BLUE);
    GUI_FillPolygon (&_aPointArrow[0], 7, 160, y + 80);
    GUI_Delay(1000);
    GUI_ClearRect(100, y, 220, y + 85);
    GUI_SetColor(GUI_RED);
    GUI_FillPolygon (&_aPointStar[0], 8, 160, y + 45);
    GUI_Delay(1000);
    GUI_ClearRect(100, y, 220, y + 85);
    GUI_SetColor(GUI_GREEN);
    GUI_FillPolygon(&_aPointHexagon[0], 6, 160, y + 45);
    GUI_Delay(1000);
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  GUI_Init();
  _DrawPolygons();
  while (1);
}

/*************************** End of file ****************************/

